138 lines
3.4 KiB
PHP
138 lines
3.4 KiB
PHP
<?php
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namespace PHPCI\Plugin\Util;
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use PHPCI\Plugin;
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/**
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* Class FilesPluginInformation
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* @package PHPCI\Plugin\Util
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*/
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class FilesPluginInformation implements InstalledPluginInformation
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{
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/**
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* A collection of all the file path information for
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* the installed plugins.
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*
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* @var \SplFileInfo[]
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*/
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protected $files;
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/**
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* Each item in the array contains the information for
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* a single plugin.
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*
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* @var array
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*/
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protected $pluginInfo = null;
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/**
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* @param $dirPath
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* @return FilesPluginInformation
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*/
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public static function newFromDir($dirPath)
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{
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return new self(new \DirectoryIterator($dirPath));
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}
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/**
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* @param \Iterator $files
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*/
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public function __construct(\Iterator $files)
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{
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$this->files = $files;
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}
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/**
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* Returns an array of objects. Each one represents an available plugin
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* and will have the following properties:
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* name - The friendly name of the plugin (may be an empty string)
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* class - The class of the plugin (will include namespace)
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* @return \stdClass[]
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*/
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public function getInstalledPlugins()
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{
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if ($this->pluginInfo === null) {
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$this->loadPluginInfo();
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}
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return $this->pluginInfo;
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}
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/**
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* Returns an array of all the class names of plugins that have been
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* loaded.
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*
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* @return string[]
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*/
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public function getPluginClasses()
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{
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return array_map(
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function (\stdClass $plugin) {
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return $plugin->class;
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},
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$this->getInstalledPlugins()
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);
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}
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/**
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* Load plugin information from a given list of files.
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*/
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protected function loadPluginInfo()
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{
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$this->pluginInfo = array();
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foreach ($this->files as $fileInfo) {
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if ($fileInfo instanceof \SplFileInfo) {
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if ($fileInfo->isFile() && $fileInfo->getExtension() == 'php') {
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$this->addPluginFromFile($fileInfo);
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}
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}
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}
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}
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/**
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* Add a plugin to the list from a given file.
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* @param \SplFileInfo $fileInfo
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*/
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protected function addPluginFromFile(\SplFileInfo $fileInfo)
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{
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$class = $this->getFullClassFromFile($fileInfo);
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if (!is_null($class)) {
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$newPlugin = new \stdClass();
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$newPlugin->class = $class;
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$newPlugin->source = "core";
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$parts = explode('\\', $newPlugin->class);
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$newPlugin->name = end($parts);
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$this->pluginInfo[] = $newPlugin;
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}
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}
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/**
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* Determine plugin class name for a given file.
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* @param \SplFileInfo $fileInfo
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* @return null|string
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*/
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protected function getFullClassFromFile(\SplFileInfo $fileInfo)
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{
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$contents = file_get_contents($fileInfo->getRealPath());
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$matches = array();
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preg_match('#class +([A-Za-z]+) +implements#i', $contents, $matches);
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if (isset($matches[1])) {
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$className = $matches[1];
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$matches = array();
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preg_match('#namespace +([A-Za-z\\\\]+);#i', $contents, $matches);
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$namespace = $matches[1];
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return $namespace . '\\' . $className;
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} else {
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return null;
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}
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}
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}
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